Macreupelmus pulchriceps Cameron, 1904:64, ♀. ♀, San Marcos, Nicaragua (leg. Prof. C.F. Baker), Lectotype ♀ (BMNH), designated by Gibson, 2016Gibson, G.A.P. 2016. Revision of the Neotropical genus Macreupelmus Ashmead (Hymenoptera: Chalcidoidea: Eupelmidae). Zootaxa 4161:81-115.:112. - Maes, 1999 1999. Catalogo de los insectos y artropodos terrestres de Nicaragua. Volumen III. León, Nicaragua. 1170-1898. (distribution); Gibson, 2016Gibson, G.A.P. 2016. Revision of the Neotropical genus Macreupelmus Ashmead (Hymenoptera: Chalcidoidea: Eupelmidae). Zootaxa 4161:81-115. (distribution). - As Eupelmus pulchriceps: - Gibson, 2016Gibson, G.A.P. 2016. Revision of the Neotropical genus Macreupelmus Ashmead (Hymenoptera: Chalcidoidea: Eupelmidae). Zootaxa 4161:81-115.:112 (comb. nov.); Noyes, 2019Noyes, J.S. 2019. Universal Chalcidoidea Database. World Wide Web electronic publication. :. (distribution).
Eupelmus cyaniceps amicus Girault, 1916:244, Gibson, 2011Gibson, G.A.P. 2011. The species of Eupelmus (Eupelmus) Dalman and Eupelmus (Episolindelia) Girault (Hymenoptera: Eupelmidae) in North America north of Mexico. Zootaxa 2951:1-97.:33, Syntypes ♀♀, examined (USNM), Syntypes ♀♀ (USNM), designated by Gibson, 2016Gibson, G.A.P. 2016. Revision of the Neotropical genus Macreupelmus Ashmead (Hymenoptera: Chalcidoidea: Eupelmidae). Zootaxa 4161:81-115.:112. Synonymized with Eupelmus cushmani (Crawford, 1908) by Gibson, 2011Gibson, G.A.P. 2011. The species of Eupelmus (Eupelmus) Dalman and Eupelmus (Episolindelia) Girault (Hymenoptera: Eupelmidae) in North America north of Mexico. Zootaxa 2951:1-97.:33. Synonymized with Eupelmus pulchriceps (Cameron, 1904) by Gibson, 2016Gibson, G.A.P. 2016. Revision of the Neotropical genus Macreupelmus Ashmead (Hymenoptera: Chalcidoidea: Eupelmidae). Zootaxa 4161:81-115.:112. - Gibson, 2016Gibson, G.A.P. 2016. Revision of the Neotropical genus Macreupelmus Ashmead (Hymenoptera: Chalcidoidea: Eupelmidae). Zootaxa 4161:81-115. (distribution). - As Eupelmus amicus: - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198. (distribution); González-Hernández, 2004González-Hernández, A. 2004. Actualización del catálogo de autoridades taxonómicas: Hymenoptera-Parasítica. Depto. de Zoología de Invertebrados. Facultad de Ciencias Biológicas, UANL. Base de datos SNIB-Conabio proyecto BE008. México. D.F. :. ( listed as synonym of Eupelmus cyaniceps Ashmead, 1886).